A:
Positive:
1 x 54134520713 x 4164193919 x 28491853107 x 5059301247 x 21916811391 x 3891772033 x 26627920483 x 26429
Negative:
-1 x -541345207-13 x -41641939-19 x -28491853-107 x -5059301-247 x -2191681-1391 x -389177-2033 x -266279-20483 x -26429
Unfortunately, there's not simple formula to identifying all of the factors of a number and it can be a tedious process when trying to identify the divisors of larger numbers. To find the factor combinations of the number 541,345,207, it is easier to work with a table - it's called factoring from the outside in.
We start by creating a table and writing 1 on the left side and then the number we're trying to find the factors for on the right side in a table. Then, below that, write the numbers as a negative as well.
| 1 | 541,345,207 | |
| -1 | -541,345,207 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 541,345,207.
Example:
1 x 541,345,207 = 541,345,207
and
-1 x -541,345,207 = 541,345,207
Notice both answers equal 541,345,207
With that explanation out of the way, let's continue. Next, we take the number 541,345,207 and divide it by 2:
541,345,207 ÷ 2 = 270,672,603.5
If the quotient is a whole number, then 2 and 270,672,603.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 541,345,207 | |
| -1 | -541,345,207 |
Now, we try dividing 541,345,207 by 3:
541,345,207 ÷ 3 = 180,448,402.3333
If the quotient is a whole number, then 3 and 180,448,402.3333 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 541,345,207 | |
| -1 | -541,345,207 |
Let's try dividing by 4:
541,345,207 ÷ 4 = 135,336,301.75
If the quotient is a whole number, then 4 and 135,336,301.75 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 541,345,207 | |
| -1 | 541,345,207 |
If you did it right, you will end up with this table:
| 1 | 13 | 19 | 107 | 247 | 1,391 | 2,033 | 20,483 | 26,429 | 266,279 | 389,177 | 2,191,681 | 5,059,301 | 28,491,853 | 41,641,939 | 541,345,207 |
| -1 | -13 | -19 | -107 | -247 | -1,391 | -2,033 | -20,483 | -26,429 | -266,279 | -389,177 | -2,191,681 | -5,059,301 | -28,491,853 | -41,641,939 | -541,345,207 |
Here are some more numbers to try:
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